# !/usr/bin/env python

from __future__ import print_function
import re
import os
import sys
import shutil

from _internal import (
    get_repo_root ,
    execute,
)

def __handler(args):

    print("This is a demo.")


def add_parser(subparsers):
    '''
    add a sub-command parser.
    '''
    cmd_parser = subparsers.add_parser('demo', help='plugin for demo purpose ...')
    cmd_parser.add_argument("-q", "--quiet",
                            dest="quiet",
                            default=False, action="store_true",
                            help="to show build logs or not")

    cmd_parser.set_defaults(func=__handler)
